contentlayer.config.ts

import {
  defineDocumentType,
  makeSource,
  ComputedFields,
} from 'contentlayer/source-files'
import readingTime from 'reading-time'
import remarkGfm from 'remark-gfm'
import rehypeSlug from 'rehype-slug'
import rehypeCodeTitles from 'rehype-code-titles'
import rehypeAutolinkHeadings from 'rehype-autolink-headings'
import rehypePrism from 'rehype-prism-plus'
import { rehypeAccessibleEmojis } from 'rehype-accessible-emojis'

export const computedFields: ComputedFields = {
  readingTime: { type: 'json', resolve: (doc) => readingTime(doc.body.raw) },
  wordCount: {
    type: 'number',
    resolve: (doc) => doc.body.raw.split(/\s+/gu).length,
  },
  slug: {
    type: 'string',
    resolve: (doc) => doc._raw.sourceFileName.replace(/\.mdx$/, ''),
  },
}

export const Article = defineDocumentType(() => ({
  name: 'Article',
  filePathPattern: 'articles/*.mdx',
  contentType: 'mdx',
  fields: {
    title: { type: 'string', required: true },
    publishedAt: { type: 'string', required: true },
    description: { type: 'string', required: true },
    cover: { type: 'string', required: true },
    category: { type: 'string', required: true },
    coverWidth: { type: 'string', required: true },
    coverHeight: { type: 'string', required: true },
  },
  computedFields,
}))

export const OtherPage = defineDocumentType(() => ({
  name: 'OtherPage',
  filePathPattern: '*.mdx',
  contentType: 'mdx',
  fields: {
    title: { type: 'string', required: true },
    publishedAt: { type: 'string', required: true },
    description: { type: 'string', required: true },
    cover: { type: 'string', required: true },
    category: { type: 'string', required: true },
    coverWidth: { type: 'string', required: true },
    coverHeight: { type: 'string', required: true },
  },
  computedFields: {
    slug: computedFields.slug,
  },
}))

export default makeSource({
  contentDirPath: 'data/content',
  documentTypes: [Article, OtherPage],
  mdx: {
    remarkPlugins: [remarkGfm],
    rehypePlugins: [
      rehypeSlug,
      rehypeCodeTitles,
      rehypePrism,
      [
        rehypeAutolinkHeadings,
        {
          properties: {
            className: ['anchor'],
          },
        },
      ],
      rehypeAccessibleEmojis,
    ],
  },
})